Home / 19,345.04-29,034.84-13,505.84

Finding the Fourth Proportional to 19,345.04, 29,034.84 and 13,505.84

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Solution

The fourth proportional to 19,345.04, 29,034.84 and 13,505.84 is: 20,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.04 : 29,034.84 = 13,505.84 : x
  2. Step 2: Convert to fraction form
    19,345.04/29,034.84 = 13,505.84/x
  3. Step 3: Cross multiply
    19,345.04x = 29,034.84 × 13,505.84
  4. Step 4: Simplify right side
    19,345.04x = 392,139,903.47
  5. Step 5: Solve for x
    x = 392,139,903.47/19,345.04
  6. Step 6: Final answer
    x = 20,270.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.